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1 | import { Transaction } from 'sequelize' | |
2 | import { Activity } from '../../../../shared/models/activitypub' | |
3 | import { logger } from '../../../helpers/logger' | |
4 | import { ActorModel } from '../../../models/activitypub/actor' | |
5 | import { ActorFollowModel } from '../../../models/activitypub/actor-follow' | |
6 | import { JobQueue } from '../../job-queue' | |
7 | import { VideoModel } from '../../../models/video/video' | |
8 | import { getActorsInvolvedInVideo } from '../audience' | |
9 | import { getServerActor } from '../../../helpers/utils' | |
10 | ||
11 | async function forwardVideoRelatedActivity ( | |
12 | activity: Activity, | |
13 | t: Transaction, | |
14 | followersException: ActorModel[] = [], | |
15 | video: VideoModel | |
16 | ) { | |
17 | // Mastodon does not add our announces in audience, so we forward to them manually | |
18 | const additionalActors = await getActorsInvolvedInVideo(video, t) | |
19 | const additionalFollowerUrls = additionalActors.map(a => a.followersUrl) | |
20 | ||
21 | return forwardActivity(activity, t, followersException, additionalFollowerUrls) | |
22 | } | |
23 | ||
24 | async function forwardActivity ( | |
25 | activity: Activity, | |
26 | t: Transaction, | |
27 | followersException: ActorModel[] = [], | |
28 | additionalFollowerUrls: string[] = [] | |
29 | ) { | |
30 | logger.info('Forwarding activity %s.', activity.id) | |
31 | ||
32 | const to = activity.to || [] | |
33 | const cc = activity.cc || [] | |
34 | ||
35 | const followersUrls = additionalFollowerUrls | |
36 | for (const dest of to.concat(cc)) { | |
37 | if (dest.endsWith('/followers')) { | |
38 | followersUrls.push(dest) | |
39 | } | |
40 | } | |
41 | ||
42 | const toActorFollowers = await ActorModel.listByFollowersUrls(followersUrls, t) | |
43 | const uris = await computeFollowerUris(toActorFollowers, followersException, t) | |
44 | ||
45 | if (uris.length === 0) { | |
46 | logger.info('0 followers for %s, no forwarding.', toActorFollowers.map(a => a.id).join(', ')) | |
47 | return undefined | |
48 | } | |
49 | ||
50 | logger.debug('Creating forwarding job.', { uris }) | |
51 | ||
52 | const payload = { | |
53 | uris, | |
54 | body: activity | |
55 | } | |
56 | return JobQueue.Instance.createJob({ type: 'activitypub-http-broadcast', payload }) | |
57 | } | |
58 | ||
59 | async function broadcastToFollowers ( | |
60 | data: any, | |
61 | byActor: ActorModel, | |
62 | toFollowersOf: ActorModel[], | |
63 | t: Transaction, | |
64 | actorsException: ActorModel[] = [] | |
65 | ) { | |
66 | const uris = await computeFollowerUris(toFollowersOf, actorsException, t) | |
67 | return broadcastTo(uris, data, byActor) | |
68 | } | |
69 | ||
70 | async function broadcastToActors ( | |
71 | data: any, | |
72 | byActor: ActorModel, | |
73 | toActors: ActorModel[], | |
74 | actorsException: ActorModel[] = [] | |
75 | ) { | |
76 | const uris = await computeUris(toActors, actorsException) | |
77 | return broadcastTo(uris, data, byActor) | |
78 | } | |
79 | ||
80 | async function broadcastTo (uris: string[], data: any, byActor: ActorModel) { | |
81 | if (uris.length === 0) return undefined | |
82 | ||
83 | logger.debug('Creating broadcast job.', { uris }) | |
84 | ||
85 | const payload = { | |
86 | uris, | |
87 | signatureActorId: byActor.id, | |
88 | body: data | |
89 | } | |
90 | ||
91 | return JobQueue.Instance.createJob({ type: 'activitypub-http-broadcast', payload }) | |
92 | } | |
93 | ||
94 | async function unicastTo (data: any, byActor: ActorModel, toActorUrl: string) { | |
95 | logger.debug('Creating unicast job.', { uri: toActorUrl }) | |
96 | ||
97 | const payload = { | |
98 | uri: toActorUrl, | |
99 | signatureActorId: byActor.id, | |
100 | body: data | |
101 | } | |
102 | ||
103 | return JobQueue.Instance.createJob({ type: 'activitypub-http-unicast', payload }) | |
104 | } | |
105 | ||
106 | // --------------------------------------------------------------------------- | |
107 | ||
108 | export { | |
109 | broadcastToFollowers, | |
110 | unicastTo, | |
111 | forwardActivity, | |
112 | broadcastToActors, | |
113 | forwardVideoRelatedActivity | |
114 | } | |
115 | ||
116 | // --------------------------------------------------------------------------- | |
117 | ||
118 | async function computeFollowerUris (toFollowersOf: ActorModel[], actorsException: ActorModel[], t: Transaction) { | |
119 | const toActorFollowerIds = toFollowersOf.map(a => a.id) | |
120 | ||
121 | const result = await ActorFollowModel.listAcceptedFollowerSharedInboxUrls(toActorFollowerIds, t) | |
122 | const sharedInboxesException = await buildSharedInboxesException(actorsException) | |
123 | ||
124 | return result.data.filter(sharedInbox => sharedInboxesException.indexOf(sharedInbox) === -1) | |
125 | } | |
126 | ||
127 | async function computeUris (toActors: ActorModel[], actorsException: ActorModel[] = []) { | |
128 | const serverActor = await getServerActor() | |
129 | const targetUrls = toActors | |
130 | .filter(a => a.id !== serverActor.id) // Don't send to ourselves | |
131 | .map(a => a.sharedInboxUrl || a.inboxUrl) | |
132 | ||
133 | const toActorSharedInboxesSet = new Set(targetUrls) | |
134 | ||
135 | const sharedInboxesException = await buildSharedInboxesException(actorsException) | |
136 | return Array.from(toActorSharedInboxesSet) | |
137 | .filter(sharedInbox => sharedInboxesException.indexOf(sharedInbox) === -1) | |
138 | } | |
139 | ||
140 | async function buildSharedInboxesException (actorsException: ActorModel[]) { | |
141 | const serverActor = await getServerActor() | |
142 | ||
143 | return actorsException | |
144 | .map(f => f.sharedInboxUrl || f.inboxUrl) | |
145 | .concat([ serverActor.sharedInboxUrl ]) | |
146 | } |